what are the choice answers
Answer:Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... This extra carbon dioxide is lowering the ocean's pH, through a process called ocean acidification.
Explanation:
The first conditioning is the classical conditioning and it can be explained on an example of a dog that is producing saliva when it knows that it will be fed.
the second kind of conditioning is the operant conditioning. An example of an operant conditioning is a dog learning to open a box after it witnessed a ball being placed in it.
Answer:
plants need protein for healthy growth and development. One of the critical roles of protein in plants is regulating phototropism and mediating the response of plants to light-dark cycles. Proteins are also involved in energy-generating reactions, intracellular structure and membrane transport.
Explanation:
Photorespiration is detrimental for a plant because no glucose is produced.
